Home / 814,015.35-1,123,261.16-451,432.89

Finding the Fourth Proportional to 814,015.35, 1,123,261.16 and 451,432.89

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Solution

The fourth proportional to 814,015.35, 1,123,261.16 and 451,432.89 is: 622,933.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,015.35 : 1,123,261.16 = 451,432.89 : x
  2. Step 2: Convert to fraction form
    814,015.35/1,123,261.16 = 451,432.89/x
  3. Step 3: Cross multiply
    814,015.35x = 1,123,261.16 × 451,432.89
  4. Step 4: Simplify right side
    814,015.35x = 507,077,029,426.39
  5. Step 5: Solve for x
    x = 507,077,029,426.39/814,015.35
  6. Step 6: Final answer
    x = 622,933.01

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.